4g63 vs 4g64

I've read some posts here and it really seems like you guys know what you are talking about so.....I am looking for a 2g eclipse and have found a couple for pretty cheap. I've narrowed it down to two different cars, a '96 and a '98, both gsx's. The '96 has the 2.4L 4g64, and the '98 has the 2.0L 4g63, I am just wondering which engine is better to start off with if you want to build it for performance? I don't know much about DSM so I've researched alot on the net but haven't found a clear cut answer, which is what I'd like so hopefully you guys can help me out.

No gsx should have a 4g6g4.  The only 2g that came in was the spyder eclipse.  And to answer your question the 4g63 is a much
better engine to build.

both engines are the same block hence the 4g6X. They just have different internals . And he is correct, all 2g gsx's came with the 4g63 so unless he has a 2.4L stroker, its only a 2.0. So id ask him exactly how he has a 2.4.

Well he said that it was a Magnus 1G(6 bolt) 2.4L race engine with J/E pistons and cower rods, along with a 2g DOHC head. I was assuming it was probably a swap? but I don't know if it was for the better, or if a 4g63 is still better. I'll ask him if it's the stroker though.

A 1g 6 bolt would be the 4g63.  So what you have there is a stroked 6 bolt which is f'in awsome.

If it is a 1g 6bolt it is not a 4g64 it is a 4g63 with a stroker kit. i would ask for proof sounds like he has no clue what he is talking about.

lol we must have posted at the same time.

He said he paid Magnus $4500+ for a 2.4L 4g64 with high performance rods, pistons, and removed balance shafts. He said that it was used in another mitsubishi's before it was rebuilt. He also said that the engine they sell now as a 2.4L stroker is a 2.0L block with a stroker crank, giving a longer stroke and the 2.4L displacement.

if its a 4g64 then it didnt come from a 1st gen.  This guy sounds like he doesnt know what the hell hes talking about.

http://www.****s.com/parts/default.php?cPath=3_134_171

quote:

ORIGINAL: bestwiseguy

if its a 4g64 then it didnt come from a 1st gen. This guy sounds like he doesnt know what the hell hes talking about.

Agreed oh and when you stroke a 2.0 it comes out a 2.3L 4g63 just because it is stroked dose not mean it is a 4g64. but hey i found this LMAO
http://www.magnusmotorsports.com/engines/dsm.htm#Complete%20Shortblocks
now look at this go here and tell me if you see a 2.4
http://www.ds mtuners.com/parts/default.php?cPath=3_134_171 it has a space because this site dose not like that link.
The only way i can thing they got it to a "2.4" is to bore it out .040 which if that is the case you will never be able to rebuild that motor unless you want to re-sleeve it.

This is what he said exactly in an email he sent me today:
 
I purchased the motor from Magnus motorsports in Canada. They rebuild the engines with high performance parts. They told me it was a 4g64 2.4 liter. It is not the original 2.0 liter 4g63 that came with my car. It has the stock 4g63 head with the 4g64 short block. The engine that Magnus is selling now is described as a 2.4 liter stroker. I believe that Magnus is now stroking the 4g63 2.0 to 2.4 liters, and may have discontinued rebuilding the 4g64 blocks as they are no longer listed on their website ( http://www.magnusmotorsports.com/). I know for a fact that it is a 6 bolt block because I delivered the motor to the shop where it was put in, I ordered the flywheel (had an aluminum fidanza, now ACT chromoly) and ACT 2600 clutch. I hope this helps.

I would definately get him to show you the receipts to prove all of this work was actually done.

once again there is no such thing as a 6bolt 4g64 . Look this guy doesnt know what he has. He's more than likely just got a 4g63 stroked motor. If that is the case and he has recepts to backup all the internals in the engine, when it was purchased and from who, then id buy it. That engine is gonna be good for 500+ HP

well i've heard of people using a 4g64 crank to stroke their 7-bolts to 2.4l... but definitely not a 6-bolt... im will to bet that they did do that, but he just doesnt understand that fact

If he is using a 4g64 crank to stroke a 7bolt to 2.4L's, where is that in relation to a 4g63 2.0L engine? btw, I've told him that the engine he is talking about doesn't exist and I'm waiting for a reply.

Either way he prolly just has the engine code mixed up..  He prolly does have a 2.4L stroked motor either way..  And if he does, that is a nice motor!   How much is he asking for the car?  And what other mods does he have to go along with that motor?

This is his response after I told him that there was no such thing as a 6 bolt 4g64:
 
That's a damn good question. Magnus called it a "4g64 2.4 liter 6 bolt." I guess I don't know if it's a stroker or began life as a 2.4. Based on what you said there seems to be a conflict in information, but like I said Magnus called it a 4g64, and I'm POSITIVE it has a 6 bolt crank as I've seen it.

What would make the most sense is that it is a 1g 4g63 with a stroker crank, but that's not what Magnus said it was. It has the 2g 4g63 head on it (came with the car), with a 1g cam angle sensor on the cam (left side of head). I should have a pic or two of the engine up soon, but it doesn't show the block very well (it's in the car).

I always though it was a 6 bolt 4g64, since that's what Magnus called it. They now have an engine advertised as a 6 bolt stroker 2.4, which may be the same as what I got, but if it is  they're not calling it a 4g64 anymore. If there's no such thing as a 6 bolt 4g64 it must be something else. I do know that I paid Magnus about $4500 (plus an $1500 install kit) about 3 years/30,000 mi ago, that it has high compression pistons/performance rods (I believe Pistal/Crower), balance shafts removed (again I saw the block up close and personal), 1g water pump, and an eprom ecu with dsmlink chip, cable and software.

That's about as much as I can tell you about the engine. All I know is what Magnus told me and what I've seen. I'm no dsm expert. If you say there is no such thing as a 4g64 6 bolt I'll have to believe you. Magnus' site does say something about a custom billet crank, I suppose it is possible it's a 4g64 with a custom built 6 bolt crank, but I couldn't tell you.

He has told me this car also has an upgraded turbo equivalent to a 16g, but hasn't upgraded injectors. It has an ACT clutch as well. He is asking for 4K+

I say stay away from that car and any others that have been "built" because you don't know what is going on in that motor especially if you didn't do it yourself or have taken it somewhere to get it done yourself. Buy something that is stock or nearly stock and start out fresh man, that way you know every part and all work that has gone into the car... But something definately stinks here with this one!

it sounds like a good deal to me. The only thing in there that i dont really like is that he said it has "higher" compression pistons. That doesnt make sense because on a turbo car you dont really want higher compression. You want forged and maybe alittle lower depending